Put the answer if you are 100% sure of the answer, otherwise no.    What is the correct answer? Every frog saw all birds if it has visited a node.   a. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND Saw(X,Z) AND Bird (2) IMPLIES visit(X,Y))   b. (ALL X)(ALL Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird (Z) IMPLIES Saw(X,Z))   C. (ALL X)(EXIST Y)(EXIST Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird (Z) IMPLIES Saw(X,Z)) d. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird(2) IMPLIES Saw(X,Z)) d. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird(2) IMPLIES Saw(X,Z))   What is the correct answer?   ((EXIST X)(ALL Y)(believe (Y, bob) AND like(Y, mary) IMPLIES like(X,Y))   a. Someone likes everyone that believes mary and likes bob b. Everyone likes someone that believes bob and likes mary   Someone likes everyone that believes bob and likes mary   d. Everyone likes someone that believes mary and likes bob   What is the correct answer?   (ALL X)(EXIST Y)(ALL Z) [person(x) AND table(Y) AND white(Y) AND writer(Z)   AND use(WY) IMPLIES has(X,Y)]   a. every writer has a white table that is used by every person   b. every person has a white table that is used by some writer   c. every person has a white table that are used by every writer   d. every person has a table that is used by some writer

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question
100%

Put the answer if you are 100% sure of the answer, otherwise no.   

What is the correct answer? Every frog saw all birds if it has visited a node.

 

a. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND Saw(X,Z) AND Bird (2) IMPLIES visit(X,Y))

 

b. (ALL X)(ALL Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird (Z) IMPLIES Saw(X,Z))

 

C. (ALL X)(EXIST Y)(EXIST Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird (Z) IMPLIES Saw(X,Z)) d. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird(2) IMPLIES Saw(X,Z))

d. (ALL X)(EXIST Y)(ALL Z)(Frog(X) AND Node(Y) AND visit(X,Y) AND Bird(2) IMPLIES Saw(X,Z))

 

What is the correct answer?

 

((EXIST X)(ALL Y)(believe (Y, bob) AND like(Y, mary) IMPLIES like(X,Y))

 

a. Someone likes everyone that believes mary and likes bob b. Everyone likes someone that believes bob and likes mary

 

Someone likes everyone that believes bob and likes mary

 

d. Everyone likes someone that believes mary and likes bob

 

What is the correct answer?

 

(ALL X)(EXIST Y)(ALL Z) [person(x) AND table(Y) AND white(Y) AND writer(Z)

 

AND use(WY) IMPLIES has(X,Y)]

 

a. every writer has a white table that is used by every person

 

b. every person has a white table that is used by some writer

 

c. every person has a white table that are used by every writer

 

d. every person has a table that is used by some writer

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Types of trees
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education